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38220232 = 2340911681
BaseRepresentation
bin1001000111001…
…1000111001000
32122220210022011
42101303013020
534241021412
63443105304
7642603151
oct221630710
978823264
1038220232
111a635476
1210972234
137bc272b
14510c928
15354e7a7
hex24731c8

38220232 has 16 divisors (see below), whose sum is σ = 71844300. Its totient is φ = 19061760.

The previous prime is 38220211. The next prime is 38220251. The reversal of 38220232 is 23202283.

It can be written as a sum of positive squares in 2 ways, for example, as 35928036 + 2292196 = 5994^2 + 1514^2 .

It is a super-2 number, since 2×382202322 = 2921572268267648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569 + ... + 9112.

Almost surely, 238220232 is an apocalyptic number.

It is an amenable number.

38220232 is a deficient number, since it is larger than the sum of its proper divisors (33624068).

38220232 is a wasteful number, since it uses less digits than its factorization.

38220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096 (or 12092 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 38220232 is about 6182.2513698490. The cubic root of 38220232 is about 336.8457764505.

It can be divided in two parts, 3822023 and 2, that added together give a square (3822025 = 19552).

The spelling of 38220232 in words is "thirty-eight million, two hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 409 818 1636 3272 11681 23362 46724 93448 4777529 9555058 19110116 38220232